Apple is yet to tap the world's biggest pool of potential iPhone buyers: China Mobile's customers. But that could soon change. Heard on the Street's Rolfe Winkler joins MoneyBeat.

This transcript has been automatically generated and may not be 100% accurate.

... I ... I ... Apple sold over two hundred and sixty one million I Phones in twenty twelve ... is carrying the hundred fourteen countries ... that Apple is yet to tap the world's biggest pool of potential iPhone buyers ... China Mobile customers will not change soon what could it mean for the stock when does ... her on the Street's Rolfe Winkler joins this morning on MoneyBeat ... road story about this for the fallout ... from Taree don't get a ... rainy day it's also the undervalue Leo I Phones are going crazy with the flash flood warnings ... they are ... the tyre offices getting killed because the I phone tell us when is the flash went off our little is taught map was over the I phone is really an amazing that for all the success they've had with this thing ... deal or not ... being sold by the world's largest wine China Mobile the let's put some numbers around is so channel has over seven hundred million subscribers and ... about don't know maybe twelve percent of those are wealthy enough to afford Apple's high end devices ... the I phone resales for a lager or Wholesale's for a lot of money ... aam is now so an Apple has fifty five percent market share ... among high-end smartphones ancient Mayan try my focus ... in China ... so if you ... see thought that perhaps they can get ... twenty five million sales in the first year ... on China Mobile ... among those eighty million subscribers ... it's a it's a big blow for them because ... you know they sold two and sixty million I Phones in all twenty twelve is one carrier they're actually on ... two hundred and seventy five carriers ... in over a hundred countries now ... okay ... now why aren't they being sold through China Mobile and ... why are they being sold with a few reasons one reason that maybe the Chinese government has wanted it to happen yen ... be Kai is China Mobile ... and with that many subscribers they have a market concentration problem ... and ... if you got the I phone officially onto China Mo actually are a lot of people that use ... the older might use older models in just his views on one person's Omens two G network as a family they want them by the way ... aam ... but if you got ... it if there were officially selling it you might actually have ... more ... customers concentrating on the China mobile network and they don't want that so actually later this year they have mobile number portability ... that we have here you can take a number within the switch carriers ... can't do that there's a lot people stay with China Mobile ... aam you could get that release now that's that's one reason other big sticking point ... may just be ... the agreements between the two companies happily as have the leverage to extract ... very large falling can in this very large subsidies ... from carriers today China Mobile has a lot of leverage in its own right so there could be a lot of posturing ... between the companies now he talked about you know twenty five million I Phones boss was sold its a big company Gannett ... is that enough to turn around that stock which we just saw a minute ago I mean it was fell under four hundred ... just over seven hundred in September and Albert a lot of momentum that's a good go and there's there's a lot more there's there's a lot of things going on inside Apple stock and it isn't enough to turn around ... who knows because the real ... downside case here ... if if you wanna be ultra bearish we say OK ... what what's the worst case scenario me think long Disney does the I phone effectively become the Mac ... in which case it's a five to six percent market share device ... at that the high-end them and that's all Apple cats ... and ... a great if you go if it goes dear another ... crown fifteen to twenty percent ... aam ... you wonder how big a business they have ... an ally and how well it sustain itself and look on the cashless get ... it come off of that now ... if you don't it just leaving that aside from leaving the worst cases I ... this could be ... a fairly big boost so he just just those that twenty five million estimate that sell any year in a few similar gross margin again on the I phone given ... China Mobile's leverage ... you can talk about six seven billion dollars of gross profit ... just the myCFO insist on China Mobile ... the number for a company it's expected to generate about seventy billion of gross profit denied next fiscal year ... and found a number of game